The 2023 ESOO report clarifies why the transmission model only includes ‘System Normal’ – and why it’s a simplification
One observation about the 2023 ESOO is that AEMO is has highlighted the set of constraints modelled is only ‘System Normal’.
Headline Reports
The 2023 ESOO modelling provides a more accurate real world depiction of Wind Farm limitations at high temperatures
One observation about the 2023 ESOO is that AEMO is now modelling (more accurately) the high temperature degradation on wind farm performance.
AEMO releases 2023 ESOO on Thursday 31st August 2023 (Australia’s NEM is perched on the edge)
AEMO notes that ‘Australia’s NEM is perched on the edge’ in the 2023 ESOO, released today (Thu 31st Aug 2023)
GenInsights Quarterly Update for Q2 2023 released
A quick note to mark the the release of GenInsights Quarterly Update for Q2 2023 last week.
Increasing curtailment of Wind and Solar across the NEM
With Q2 drawing to a close, we’re gearing up to produce GenInsights Quarterly Update for this quarter. Timely to look back at Q1 at what was reported about curtailment of wind and solar in that earlier Quarterly Update.
Digging further into ‘Aggregate Scheduled Target’, to understand what Dispatchable Capacity is actually required
In conjunction with the analysis done to complete GenInsights Quarterly Update for Q1 2023 (released today), here’s 14 years of daily data of ‘Aggregate Scheduled Target’ that might help to illustrate the aggregate requirement for fully dispatchable capacity of some type as the closure of coal accelerates into the future.
GenInsights Quarterly Update for Q1 2023 released
A quick note on Wednesday 31st May 2023 to mark the release of GenInsights Quarterly Update for Q1 2023.
We’re not building enough replacement dispatchable capacity
With completion of GenInsights Quarterly Update for Q1 2023 approaching, and following some conversations recently (and probably this week at EUAA Conference) here are two charts looking backwards just at fully dispatchable plant that highlight one of the ways in which ‘the level of risk in the NEM is escalating’.
Australia’s Renewable Energy Boom – The Good, The Bad and the Downright Ugly
Tristan Edis from Green Energy Markets takes a deep dive into generator performance across the NEM. He provides his take on which wind and solar farms have outperformed and underperformed, through the recent renewable investment boom.
AEMO’s QED for Q1 2023 + AER’s analogous report released
A short article to note that the AEMO released it’s QED for Q1 2023 this morning, and a list of the early media coverage.
AEMC’s Reliability Panel releases 2021-22 FY Annual Market Performance Review
A short note to mark the Reliability Panel’s annual review of market performance which covers system reliability, security, and safety over the 2021-22 FY – which includes the June 2022 market suspension.
2023 Gas Statement of Opportunities (GSOO) from the AEMO identifies that southern Australia’s gas supply is declining faster than projected demand
A short article to note the AEMO’s release of the 2023 GSOO today and the subsequent media coverage.
Some revelations in GenInsights Q4 2022 about Aggregate Raw Off-Target for Semi-Scheduled units
In today’s article (a third snippet from GenInsights Quarterly Update for Q4 2022) we take a look at levels of large ‘Aggregate Raw Off-Target’ (i.e. large collective deviations away from Target), which continue to grow for the Semi-Scheduled category and remind us of that question …
Observation 13/22 from GenInsights21 – is the Semi-Scheduled category sustainable or scalable?
Here on this site, and also in real discussions in the offline world, we have been pondering this question for a number of years. For instance, it was pondered in Theme 13 (‘What’s the future for Participation Categories in the…
Unavailability of coal units hits 24% across calendar 2022 (but they are *not* collectively tripping more often)
This second excerpt from GenInsights 2022 Q4 Update highlights some of what’s seen in terms of the performance of coal units.
Some revelations in GenInsights Q4 2022 about Self-Forecasting
This first excerpt from GenInsights Quarterly Update for Q4 2022 looks specifically at the trended level of adoption of self-forecasting for Semi-Scheduled Solar Farms in the NEM. This article on Monday 26th February 2023 precedes some changes AEMO might make on Tuesday 27th February 2023.
Observation 15/22 from GenInsights21 – what is the purpose of Self-Forecasting?
Today, more than 14 months after the publication of GenInsights21 we’re sharing Key Observation 15 of 22, relating to self-forecasting for Semi-Scheduled units.
AEMO publishes an Update to the 2022 ESOO
On Tuesday 21st February 2023 the AEMO published an update on its 2022 ESOO.
GenInsights Quarterly Update for Q4 2022 released
Following an Executive Briefing last week to one client, this week we released the PDF Report for GenInsights Quarterly Update for Q4 2022. Here’s some information to explain what it is.
Price/MWh Harvest in the 2022 Generator Statistical Digest
Nick Bartels of Greenview Strategic Consulting uses the price energy harvest metric from our GSD2022 data extract to examine the recent performance of each fuel type within the NEM.